that claim to host a "WIA Scanner Driver" for the Astra 5800 compatible with Windows 7 64-bit.
Click , then click Browse , and navigate to the folder where you extracted the driver files. Look for an .inf file (such as umax.inf or usbscan.inf ). Umax Astra 5800 Scanner Driver For Windows 7 64 Bit -UPD-
Before trying third-party software, you can attempt to force Windows 7 to accept the latest official driver using built-in compatibility tools. Step-by-Step Installation: that claim to host a "WIA Scanner Driver"